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JAMB Physics 2005 Question 47

Question 47

Structure of Matter and Kinetic Theory

I. Melting II. Boiling III. Refraction IV. Conduction
Which combination of the above is evident of the molecular nature of matter?

  1. A.I, II and IV only
  2. B.I, III and IV only
  3. C.I, II and III only
  4. D.II, III and IV only
Show the answer and explanation

Answer: A (I, II and IV only)

Explanation

Melting, boiling and conduction are explained by the behaviour of molecules; refraction is a property of light, not evidence of molecules.